With this information, you can calculate the quantity of knots 91 kilometers per hour is equal to.
¿What is the inverse calculation between 1 knot and 91 kilometers per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.020351648 times 91 kilometers per hour.
Which is the same to say that 91 kilometers per hour is 49.136069 knots.
Ninety-one kilometers per hour equals to forty-nine knots. *Approximation
A knot is zero times ninety-one kilometers per hour. *Approximation